Imfundo iimpahla/iinkonzo HAL (vula uvimba) 3.0 I-3.0 yeenkwenkwezi ezi-5 (ngokusekwe kuphononongo olu-1) EgqwesileyoKulunge kakhuluI-avarejiUbuhlwempuYoyikeka Ngutradefree_azrarp20/08/2022 HAL is an open archive where authors can deposit scholarly documents from all academic fields. Funda ngokugqithisileyo